President Barack Obama delivers remarks during a memorial service Sept. 22, 2013, at Marine Barracks Washington in Washington, D.C. The event was held to pay tribute to the 12 people killed when a gunman opened fire at the Navy Yard six days earlier.
The service also included remarks by Secretary of Defense Chuck Hagel, Secretary of the Navy Ray Mabus, Chief of Naval Operations Adm. Jonathan W. Greenert and D.C. Mayor Vincent Gray. (DoD photo by Mass Communication Specialist 1st Class Daniel Hinton, U.S. Navy/Released). Original public domain image from Flickr